CN110456849A - A kind of food processor - Google Patents
A kind of food processor Download PDFInfo
- Publication number
- CN110456849A CN110456849A CN201910565278.6A CN201910565278A CN110456849A CN 110456849 A CN110456849 A CN 110456849A CN 201910565278 A CN201910565278 A CN 201910565278A CN 110456849 A CN110456849 A CN 110456849A
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- China
- Prior art keywords
- control
- signal
- power supply
- voltage
- wiring board
- Prior art date
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J43/00—Implements for preparing or holding food, not provided for in other groups of this subclass
- A47J43/04—Machines for domestic use not covered elsewhere, e.g. for grinding, mixing, stirring, kneading, emulsifying, whipping or beating foodstuffs, e.g. power-driven
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J43/00—Implements for preparing or holding food, not provided for in other groups of this subclass
- A47J43/04—Machines for domestic use not covered elsewhere, e.g. for grinding, mixing, stirring, kneading, emulsifying, whipping or beating foodstuffs, e.g. power-driven
- A47J43/07—Parts or details, e.g. mixing tools, whipping tools
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
- G08C19/02—Electric signal transmission systems in which the signal transmitted is magnitude of current or voltage
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
- H03K19/0175—Coupling arrangements; Interface arrangements
- H03K19/017545—Coupling arrangements; Impedance matching circuits
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
- H03K19/0175—Coupling arrangements; Interface arrangements
- H03K19/01759—Coupling arrangements; Interface arrangements with a bidirectional operation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
- H04B3/548—Systems for transmission via power distribution lines the power on the line being DC
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
- H04B3/56—Circuits for coupling, blocking, or by-passing of signals
Abstract
The invention discloses a kind of food processor, including master control circuit plate, from control wiring board, the master control circuit plate is communicated with described from control wiring board, the master control circuit plate is equipped with power module, the first DC power supply of the power module output voltage V1, first DC power supply is described from control wiring board by the electrical connection of power supply line, wherein, Master Communications signal modulation is carrier signal by baseband signal of first DC power supply and is transferred to described from control wiring board by the master control circuit plate, it is described to be equipped with LDO voltage stabilizer from control wiring board, the carrier signal is exported after the LDO voltage stabilizer from control power supply, it is described to be equipped with from control wiring board from control chip, second voltage comparator, carrier signal output after second voltage comparator demodulation is given described from control chip.It is multiplexed power supply line and carries out signal transmission, the signal of transmission will be obtained while pulling out DC power supply in carrier signal using voltage comparator using LDO voltage stabilizer.
Description
Technical field
The present invention relates to food processing fields, in particular to a kind of food processor.
Background technique
Current food processor type is more and more, such as broken wall cooking machine, soy bean milk making machine, and function and form are more next
It is more, such as production soya-bean milk, fruit juice, ice cream/milk shake, trash ice, rice paste, fine grinding and Minced Steak etc., it is for another example set on motor, motor
Underlying or display operation side etc., so as to cause it is polymorphic multi-functional, need at this time corresponding in different position settings
Control, and communicated between different control, in addition, there are many working state signal needs to pass through for food processor
Acquisition unit acquisition, such as anti-overflow signal, water level signal, temperature signal, cup body identification signal, testing signal of uncapping, it is existing
The each working state signal of food processor needs to be transmitted by respective route, or is transmitted after treatment,
But it at least increases and transmits harness all the way.
By taking broken wall cooking machine as an example comprising base and the cup body being set on base are equipped with signal detection in cup body
Device, signal supervisory instrument include the signal acquisition unit set on the working state signal of detection broken wall cooking machine, signal acquisition
Pass through the control power panel in the port transmission to base of coupler after the working state signal of unit acquisition broken wall cooking machine,
It controls power panel and control signal control broken wall cooking machine work is exported according to the specifying information of working state signal.Current transmission
Mode be that coupler has multiple coupling ports, at least one power port, for will control power panel output power supply
Power delivery in addition, being set to several signals acquisition unit on cup body, then needs to be arranged on coupler to signal acquisition unit
A few road coupling ports cause the port number of coupler more at this time, lead to coupler to be acquired the transmission of signal
Volume increases, and processing, manufacturing cost, installation complexity etc. all accordingly increase, simultaneously as the contact of coupler connects
It connects, exists to original signal and decay, the problem of signal detection inaccuracy is caused to exist.
Although in the prior art, there is one kind is arranged detection chip on cup body, will be acquired at signal by detection chip
Transmitted after reason by Coupler ports, but at this point, detection chip and control power panel need to carry out two-way communication,
Also it is necessarily required to two-way coupling port, not can effectively solve problem for coupler design so.In addition, existing skill
There is also the modes for being wirelessly transferred signal in art, but in this although transmission mode can solve the above problem, still
Its higher cost, and it is wirelessly transferred the problems such as bringing signal accuracy, cost and electromagnetic interference again, and wireless transmission relates to
And coil installation etc. also have certain demand to installation space.
And for soy bean milk making machine, there is also corresponding problems.
Summary of the invention
Present invention purpose to be achieved is just to provide a kind of food processor, can overcome existing in the prior art
Shortcoming and defect is carried out the transmission of signal by multiplexing power supply line, will be pulled out in carrier signal using LDO voltage stabilizer
The signal of transmission is achieved with while DC power supply using voltage comparator.The port of coupler is adequately and reasonably utilized,
Improve the reliability of signal transmission.
In order to achieve the above object, the present invention adopts the following technical scheme: a kind of food processor, including master control circuit
Plate, from control wiring board, the master control circuit plate is communicated with described from control wiring board, and the master control circuit plate is equipped with electric
Source module, the first DC power supply of the power module output voltage V1, first DC power supply pass through power supply line electricity
Connection is described from control wiring board, wherein the master control circuit plate is baseband signal by Master Communications using first DC power supply
Signal modulation be carrier signal and be transferred to it is described from control wiring board, it is described to be equipped with LDO voltage stabilizer from control wiring board, it is described
Carrier signal is exported after the LDO voltage stabilizer from control power supply, described to be equipped with from control wiring board from control chip, the second electricity
Comparator is pressed, carrier signal output after second voltage comparator demodulation is given described from control chip.
Further, the master control circuit plate includes main control chip, and the main control chip control is exported with square to be led
Control signal of communication.
Further, the amplitude voltage of the Master Communications signal be V2, it is described from control supply voltage be V3, the LDO
The input of voltage-stablizer and output voltage pressure difference are Δ V3, wherein V1 > V3+ Δ V3+V2.
Further, the Master Communications signal is the square-wave signal using no-voltage as high level.
Further, described to be equipped with from control wiring board from control Constant Current Load, power supply line electrical connection it is described from
Control Constant Current Load, it is described acted on from the output of control chip from control signal of communication it is described from control Constant Current Load, the master control circuit plate
It is equipped with first resistor, the power supply line is electrically connected first DC power supply, the power supply by first resistor
Line is electrically connected main control chip by first voltage comparator.
Further, the electric current from control Constant Current Load is I1, and the line resistance of the power supply line is R2, described the
The resistance value of one resistance is R1, and described from control supply voltage is V3, and the input of the LDO voltage stabilizer and output voltage pressure difference are Δ
V3, I1 < (V1-V3- Δ V3)/(R1+R2).
Further, the interrupt pin of the main control chip is electrically connected the first voltage comparator, described from control chip
Interrupt pin be electrically connected the second voltage comparator, the main control chip first carries out bandpass filtering, institute after receiving signal
It states and first carries out bandpass filtering after receiving signal from control chip.
Further, described from Constant Current Load is controlled including first from control Constant Current Load and second from control Constant Current Load, it is described
From control chip real-time detection power supply line and judge baseband signal voltage, is selected according to baseband signal voltage corresponding from control
Constant Current Load.
Further, the food processor includes load, the loaded work piece or be can produce under particular job state
When voltage fluctuation, the main control chip and the communication between control chip are adjusted.
Further, when the food processor includes load, the main control chip and the chip communication from control, institute
The power for stating load remains unchanged.
After adopting the above technical scheme, the present invention has the advantage that being carried first by multiplexing power supply line into light current
The transmission of wave signal, has using the port resource for saving data transmission, is especially carried out data transmission in the two by coupler
When, Coupler ports are saved, while reducing coupler cost and volume size, to reduce the complexity of installation.Its
It is secondary, carrier signal is exported by LDO pressure stabilizing from control power supply, the baseband signal type exported to power module is conducive to
Match, with ensure signal transmission reliability while ensure power supply, only need to compare carrier signal by voltage at this time
Device, which carries out demodulation, can be obtained corresponding signal of communication.Meanwhile in such cases, the convenience for two-way communication also more, only
It need to be by the modulation of Constant Current Load type electric current, to obtain the communication from control chip to main control chip.
Detailed description of the invention
The present invention will be further explained below with reference to the attached drawings:
Fig. 1 is a kind of a kind of control schematic block diagram of food processor of the present invention；
Fig. 2 is a kind of transmission state signal schematic diagram of food processor of the present invention；
Fig. 3 is a kind of another control schematic block diagram of food processor of the present invention.
Specific embodiment
A kind of food processor, as shown in Figure 1, include master control circuit plate and from control wiring board, the master control circuit plate with
Described to be communicated from control wiring board, the master control circuit plate is equipped with power module, and power module is to open in the present embodiment
Powered-down source, the first DC power supply of the switch power source output voltage V1, first DC power supply pass through power supply line electricity
Connection is described from control wiring board, and the master control circuit plate is baseband signal by Master Communications signal using first DC power supply
Be modulated to carrier signal and be transferred to it is described from control wiring board, it is described to be equipped with LDO voltage stabilizer, the carrier wave from control wiring board
Signal is exported after the LDO voltage stabilizer from control power supply, described to be equipped with from control wiring board from control chip, second voltage ratio
Compared with device, carrier signal output after second voltage comparator demodulation is given from control chip.
In above process, carrier signal signal for exporting after the demodulation of second voltage comparator, can be and master control
Identical signal is communicated, or the signal to match, so that can know the letter that main control chip transmits from control chip
Breath.
In the present embodiment, food processor includes separable the first noumenon and the second ontology, and master control circuit plate can
With in the first noumenon, from control wiring board in the second ontology, certainly, master control circuit plate can exist in the second ontology from control wiring board
The first noumenon, in the present invention, master control do not represent control subordinate relation between the two with from control, essentially consist in power supply mould
Block, that is, Switching Power Supply Position Design, Switching Power Supply are in master control circuit plate, because Switching Power Supply needs to mention direct current used
Source.With broken wall cooking machine, under normal circumstances, the first noumenon is the equal of base, and the second ontology is the equal of cup body, main
Control wiring board is set to base, is set to cup body from control wiring board, certainly, if Switching Power Supply is in cup body, master control circuit
Plate is the wiring board being set on cup body.
In the present embodiment, in addition to above-mentioned master control circuit plate transmission Master Communications signal give from control wiring board and from
It controls outside power supply, it is described to carry out signal transmission to the master control circuit plate from control wiring board.It is described from control as shown in Fig. 1
Wiring board is equipped with from control Constant Current Load, and the power supply line electrical connection is described from control Constant Current Load, described defeated from control chip
Acted on out from control signal of communication described from control Constant Current Load, the master control circuit plate is equipped with first resistor, and the power supply is electric
Source line connects first DC power supply by first resistor, and the power supply line is electrically connected by first voltage comparator
Main control chip.
Of course, it is possible to be independent master control circuit plate to from control wiring board progress signal transmission, it is also possible to from control wiring board
Master control circuit plate one-way communication is individually given, is also possible to the two and carries out two-way communication, the present embodiment is by taking two-way communication as an example.
In the present embodiment, the specific course of work is as follows:
1. master control circuit plate is sent, received from control wiring board:
Master Communications signal processing is square-wave signal by main control chip first, this process can be defeated built in main control chip
Corresponding square-wave signal out is also possible to main control chip by master control Constant Current Load and forms corresponding square-wave signal.In this implementation
It is high level is 0 shown in Master Communications signal such as Fig. 2 (a) of the square of main control chip processing in example, amplitude V2
Square-wave signal, and the voltage of the first DC power supply is V1, specific as shown in Fig. 2 (b), thus baseband signal and Master Communications
Shown in carrier signal such as Fig. 2 (c) that signal is formed, carrier signal exports the working power from control wiring board by LDO voltage stabilizer
I.e. from control electricity V3, V3 ensure from control wiring board on DC power supply device work, such as from control chip, detection device.
It is carried out shown in demodulated output signal such as Fig. 2 (d) in addition, carrier signal passes through second voltage comparator, wherein voltage V4 and V2
Logic matches, and for from control chip, can thus know Master Communications signal.Here, second voltage comparator is defeated
Signal needs to match with from the logic level of control chip out.
2. sending from control wiring board, master control circuit plate is received:
The information processing for needing to communicate from control signal of communication, is passed through into the signal feelings from control signal of communication from control chip
Condition is controlled from control Constant Current Load, from control Constant Current Load and first resistor by power supply line forms class partial pressure, and permanent from control
Current load is similar to be switched on-off, and the state of current-modulation is formed on circuit, to form height electricity at master control circuit plate end
Flat signal, and it is the available signal of main control chip that main control chip passes through first voltage comparator for the signal processing again.So
Complete the communication process that master control circuit plate is sent to from control wiring board.
In the present embodiment, since the voltage of the first DC power supply is light current DC power supply, and the voltage of signal of communication
For light current data signal, in order to ensure the accuracy of data transmission, in the present embodiment, and V1 > V2+V3, V2, that is, master control at this time
The voltage of signal of communication, if it is 0 that it, which is high level, the square-wave signal that low level auxiliary is V2, then be V1 > V3-V2.
In the process, since carrier signal needs to export by LDO from control power supply V3, and LDO voltage stabilizer is come
It says, there are voltage difference Δ V3 with output for input, so, wherein V1 > V3+ Δ V3+V2.And during transmission, base
Band signal V1 is exported by Switching Power Supply, and generally there are corresponding fluctuation Δ V1, V1 > V3+ Δ V3+V2- Δ V1.Otherwise, due to base
Band signal voltage and Master Communications signal pressure difference are too small, it may appear that signal misinformation influences the normal work of food processor.
And sent from control wiring board, when master control circuit plate receives, the electric current from control Constant Current Load is I1, described
The line resistance of power supply line is R2, and the resistance value of the first resistor is R1, it is described from control supply voltage be V3, the LDO pressure stabilizing
The input of device and output voltage pressure difference are Δ V3, I1 < (V1-V3- Δ V3)/(R1+R2).Need to select suitable constant-current source
The transmission of data can accurately be carried out.
Specifically in the present embodiment, main control chip and from control chip when receiving signal, be all made of chip has
The pin of interrupt function is decoded verification after the existing progress bandpass filtering by signal data to carry out again.It can filter out logical
The interference signal except range is interrogated, decoding and verification of the subsequent step to signal are conducive to, enhances the steady of carrier signal communication
It is qualitative.
Certainly, in the present embodiment, for requiring by corresponding from control signal of communication and Master Communications signal
Control chip carry out packing coding after transmitted, transmitted in the form of digital signal.In the process, need to
To be sent signal data addition data frame head, verification and postamble after send, specific signal be temperature, route plate temperature,
The signals such as anti-overflow, water level, wherein temperature signal does not have and continuously jumps, right according to the continuity of this signal intensity
The temperature signal received is detected, and if there is continuously jumping, then ignores this abnormal signal.Meeting real-time property
Under the premise of, it is arbitrated and is calculated according to the data of multiple data frames in program, obtain optional sampling value.Except transmission significant figure
According to outer, increase a data for data packet count, this data is all added 1, after 255 by chip one frame data of every transmission
Restart to recycle from 0, receives the continuous situation for judging data frame after data according to the enumeration data in data frame.
This is because data need to pass through coupler, the contact resistance of coupler be it is unstable, especially in electronic load
In the course of work, it can cause to shake accordingly, influence the contact resistance of upper and lower coupler, may cause communication data entanglement, make
Chip receives the data of mistake, to make program fluctuation of service, causes more serious consequence.Traditional verification and method
Verification has probability verification and correct occur, and the incorrect situation of intraframe data, and uses complicated checking algorithm then can be serious
Influence data transmission efficiency.This prioritization scheme is efficiently avoided by multiple optimization and verification because delivering path is unstable
And the case where influencing the reliability of the transmission of data, it ensure that the safe and reliable of pulping process.
Certainly, further, described negative from control Constant Current Load and second from control constant current including first from control Constant Current Load
It carries, it is described from controlling chip real-time detection power supply line and judging baseband signal voltage, it selects to correspond to according to baseband signal voltage
From control Constant Current Load, due to I1 < (V1-V3- Δ V3)/(R1+R2), if but there is unexpected fluctuation in baseband voltage, at this point,
Adjustment selection that can be in due course is accordingly from Constant Current Load is controlled to ensure the reliability transmitted.The usual precision of Switching Power Supply is not
It is high, load capacity is weaker, when Switching Power Supply at light load, output voltage is higher, and when overloaded, output voltage can relatively low, fluctuate compared with
Greatly.Constant Current Load bigger than normal is used when V1 is higher；When V1 is relatively low, Constant Current Load less than normal is used.As a result, in voltage ratio
When compared with device, the reference voltage of voltage comparator can be accordingly controlled, so that corresponding signal of communication is effectively demodulated, it can be real-time
Power supply line voltage is detected, voltage AD value queue is stored, according to AD value queue dynamic regulation of voltage comparator reference, judgement
The low and high level of signal of communication out includes first voltage comparator and second voltage comparator herein.
In food processor, exist to the electronic and electrothermal load of food processing and other corresponding loads, and
Some, which are supported in work process, can generate biggish fluctuation, such as motor, be inductive load, in work process in addition to
Outside electromagnetic interference, there is also vibration, large effect is generated to coupler, thus all can respective data transfer accuracy, and
For the signal to be transmitted, there is also relatively high anti-overflow signal of such as temperature signal of the accuracy requirement of some signals etc.,
Therefore, in transmission process, need to adjust the opportunity etc. of transmission as the case may be.
For example, reducing the frequency of data transmission, or transmit without data, and compare during motor work
Such as, during data are transmitted, it is ensured that the power invariability of load reduces Variable power bring voltage fluctuation etc. and generates, or
Person adjusts the revolving speed of motor during data transmission, transmits its matching with data.Or in motor work process
In, the frequency of communication is adjusted, the interference band of motor is avoided.Specifically in the present embodiment, communication frequency setting 9KHZ with
Under, avoid interference range, while can optimize the EMI effect of food processor.
In addition, in the standby state, communication frequency can be reduced to reduce the stand-by power consumption of food processor, increased each
The Transmission Time Interval of frame data, and default transmission high level closes corresponding Constant Current Load between the transmission of two frame data.
In the present embodiment, there are the more possible modes implemented for data transmission, by taking existing soy bean milk making machine as an example, including machine
Head and cup body, head are buckled on the cup body, and cup body is equipped with the socket of connection mains supply, and Switching Power Supply is arranged in cup
On intracorporal wiring board, i.e. master control circuit plate, and master control circuit plate is equipped with main control chip, is set on cup body for controlling
Heating device and head in motor, head and cup body part be equipped with coupler, and coupler includes the electricity for controlling motor
Machine firewire, motor zero curve, ground wire and head power supply line, head is interior to be equipped with head wiring board, i.e., from control wiring board, such as
It shown in Fig. 3, sets from control wiring board from control chip, is used for anti-overflow detection, temperature detection, water level detecting and plate temperature from control chip
The case where detection, plate temperature detector survey herein can react motor work.In this way, master control circuit plate is led to from control wiring board
Letter, that is, main control chip carry out carrier communication with from control chip by power supply line, and main control chip can will be on cup body
The information that signal and requirements of process execute is sent to from control chip, and the temperature for then needing will test from control chip, anti-overflow,
The signals such as water level are given to main control chip, in addition, the control of motor can also be carried out from control chip, in this way, main control chip then needs
The control instruction of motor will be transferred to from control chip.In addition, can be set can also set in head there are also display control etc.
It sets in cup body.Certainly, signal detection also can be set in cup body.It is not enumerating herein.
Separately in the present embodiment, in order to more preferably ensure the input of LDO voltage stabilizer in power supply line when transmitting data
End moment is dragged down, therefore is equipped with rectifier diode D1 and storage capacitor C1 in the input terminal of LDO.
First by multiplexing power supply line into light current carrier signal transmission, has and provided using the port for saving data transmission
Source saves Coupler ports especially when the two is carried out data transmission by coupler, at the same reduce coupler at
Sheet and volume size, to reduce the complexity of installation.Secondly, being exported by LDO pressure stabilizing from control electricity for carrier signal
Source, be conducive to power module export baseband signal type matching, with ensure signal transmission reliability while ensure to supply
Power supply only needs to carry out demodulation by voltage comparator to carrier signal at this time that corresponding signal of communication can be obtained.Together
When, in such cases, for the convenience of two-way communication also more, it is only necessary to by the modulation of Constant Current Load type electric current, to obtain
Obtain the communication from control chip to main control chip.
In addition to above preferred embodiment, there are other embodiments of the invention, and those skilled in the art can be according to this
Invention makes various changes and modifications, and as long as it does not depart from the spirit of the invention, should belong to appended claims of the present invention and determines
The range of justice.
Claims (10)
1. a kind of food processor, including master control circuit plate, from control wiring board, the master control circuit plate and described from control wiring board
It is communicated, the master control circuit plate is equipped with power module, the first DC power supply of the power module output voltage V1, institute
It is described from control wiring board by the electrical connection of power supply line to state the first DC power supply, which is characterized in that the master control circuit plate with
First DC power supply be baseband signal by Master Communications signal modulation be carrier signal and be transferred to it is described from control wiring board,
Described to be equipped with LDO voltage stabilizer from control wiring board, the carrier signal is exported after the LDO voltage stabilizer from control power supply, institute
It states and is equipped with from control wiring board from control chip, second voltage comparator, the carrier signal is through the second voltage comparator solution
Output is to described from control chip after tune.
2. food processor according to claim 1, which is characterized in that the master control circuit plate includes main control chip, institute
It states main control chip control and Master Communications signal is exported with square.
3. food processor according to claim 2, which is characterized in that the amplitude voltage of the Master Communications signal is
V2, described from control supply voltage is V3, and the input of the LDO voltage stabilizer and output voltage pressure difference are Δ V3, wherein V1 > V3+ Δ
V3+V2。
4. food processor according to claim 2, which is characterized in that the Master Communications signal is with no-voltage for height
The square-wave signal of level.
5. food processor according to claim 1, which is characterized in that described be equipped with from control wiring board from control constant current is born
It carries, the power supply line electrical connection is described from control Constant Current Load, described to act on institute from the output of control chip from control signal of communication
It states from control Constant Current Load, the master control circuit plate is equipped with first resistor, and the power supply line is electrically connected by first resistor
First DC power supply, the power supply line are electrically connected main control chip by first voltage comparator.
6. food processor according to claim 5, which is characterized in that the electric current from control Constant Current Load is I1, institute
The line resistance for stating power supply line is R2, and the resistance value of the first resistor is R1, and described from control supply voltage is V3, and the LDO is steady
The input of depressor and output voltage pressure difference are Δ V3, I1 < (V1-V3- Δ V3)/(R1+R2).
7. food processor according to claim 5, which is characterized in that the interrupt pin of the main control chip is electrically connected institute
First voltage comparator is stated, the interrupt pin from control chip is electrically connected the second voltage comparator, the main control chip
Receive and first carry out bandpass filtering after signal, it is described receive signal from control chip after first carry out bandpass filtering.
8. food processor according to claim 5, which is characterized in that described permanent from control including first from control Constant Current Load
Current load and second is described chip real-time detection power supply line and to judge baseband signal voltage, root from control from control Constant Current Load
It is corresponding from control Constant Current Load according to the selection of baseband signal voltage.
9. food processor according to claim 1, which is characterized in that the food processor includes load, described negative
When carrying work or can produce voltage fluctuation under particular job state, the main control chip is adjusted and described between control chip
Communication.
10. food processor according to claim 1, which is characterized in that the food processor includes load, the master
When controlling chip and the chip communication from control, the power of the load remains unchanged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910565278.6A CN110456849A (en) | 2019-06-27 | 2019-06-27 | A kind of food processor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910565278.6A CN110456849A (en) | 2019-06-27 | 2019-06-27 | A kind of food processor |
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| CN110456849A true CN110456849A (en) | 2019-11-15 |
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| CN201910565278.6A Pending CN110456849A (en) | 2019-06-27 | 2019-06-27 | A kind of food processor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114272485A (en) * | 2021-12-23 | 2022-04-05 | 东莞永胜医疗制品有限公司 | Breathing tube temperature control circuit and method and breathing auxiliary equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101404521A (en) * | 2008-11-07 | 2009-04-08 | 北京铱钵隆芯科技有限责任公司 | Master-slave mode direct current carrier communication system and its control flow |
| CN105515616A (en) * | 2016-01-15 | 2016-04-20 | 伟创力管理（上海）有限公司 | Direct-current power supply cable carrier communication system and communication method |
| CN106326174A (en) * | 2016-08-31 | 2017-01-11 | 宋红波 | Two-wire communication circuit |
-
2019
- 2019-06-27 CN CN201910565278.6A patent/CN110456849A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101404521A (en) * | 2008-11-07 | 2009-04-08 | 北京铱钵隆芯科技有限责任公司 | Master-slave mode direct current carrier communication system and its control flow |
| CN105515616A (en) * | 2016-01-15 | 2016-04-20 | 伟创力管理（上海）有限公司 | Direct-current power supply cable carrier communication system and communication method |
| CN106326174A (en) * | 2016-08-31 | 2017-01-11 | 宋红波 | Two-wire communication circuit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114272485A (en) * | 2021-12-23 | 2022-04-05 | 东莞永胜医疗制品有限公司 | Breathing tube temperature control circuit and method and breathing auxiliary equipment |
| CN114272485B (en) * | 2021-12-23 | 2023-11-07 | 东莞永胜医疗制品有限公司 | Breathing tube temperature control circuit, method and breathing auxiliary equipment |
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